2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 * Purpose: MAC Data structure
32 #include <linux/module.h>
33 #include <linux/types.h>
34 #include <linux/pci.h>
35 #include <linux/etherdevice.h>
36 #include <linux/skbuff.h>
37 #include <linux/interrupt.h>
38 #include <linux/crc32.h>
39 #include <net/mac80211.h>
43 #include "device_cfg.h"
50 /*--------------------- Export Definitions -------------------------*/
66 #define AUTO_FB_NONE 0
76 #define ANT_DIVERSITY 2
79 #define ANT_UNKNOWN 0xFF
81 #define BB_VGA_LEVEL 4
82 #define BB_VGA_CHANGE_THRESHOLD 16
84 #define MAKE_BEACON_RESERVED 10 /* (us) */
88 #define AVAIL_TD(p, q) ((p)->sOpts.tx_descs[(q)] - ((p)->iTDUsed[(q)]))
90 /* 0:11A 1:11B 2:11G */
95 /* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga (OFDM in BasicRate) */
98 #define PK_TYPE_11GB 2
99 #define PK_TYPE_11GA 3
101 #define OWNED_BY_HOST 0
102 #define OWNED_BY_NIC 1
105 int rx_descs0; /* Number of RX descriptors0 */
106 int rx_descs1; /* Number of RX descriptors1 */
107 int tx_descs[2]; /* Number of TX descriptors 0, 1 */
108 int int_works; /* interrupt limits */
116 struct pci_dev *pcid;
118 struct ieee80211_hw *hw;
119 struct ieee80211_vif *vif;
120 unsigned long key_entry_inuse;
126 /* dma addr, rx/tx pool */
128 dma_addr_t rd0_pool_dma;
129 dma_addr_t rd1_pool_dma;
131 dma_addr_t td0_pool_dma;
132 dma_addr_t td1_pool_dma;
134 dma_addr_t tx_bufs_dma0;
135 dma_addr_t tx_bufs_dma1;
136 dma_addr_t tx_beacon_dma;
138 unsigned char *tx0_bufs;
139 unsigned char *tx1_bufs;
140 unsigned char *tx_beacon_bufs;
142 void __iomem *PortOffset;
146 unsigned char byRxMode;
150 volatile int iTDUsed[TYPE_MAXTD];
152 struct vnt_tx_desc *apCurrTD[TYPE_MAXTD];
153 struct vnt_tx_desc *apTailTD[TYPE_MAXTD];
155 struct vnt_tx_desc *apTD0Rings;
156 struct vnt_tx_desc *apTD1Rings;
158 struct vnt_rx_desc *aRD0Ring;
159 struct vnt_rx_desc *aRD1Ring;
160 struct vnt_rx_desc *pCurrRD[TYPE_MAXRD];
162 struct vnt_options sOpts;
171 /* Version control */
172 unsigned char byLocalID;
173 unsigned char byRFType;
175 unsigned char byMaxPwrLevel;
176 unsigned char byZoneType;
178 unsigned char byOriginalZonetype;
180 unsigned char abyCurrentNetAddr[ETH_ALEN]; __aligned(2)
181 bool bLinkPass; /* link status: OK or fail */
183 unsigned int uCurrRSSI;
184 unsigned char byCurrSQ;
186 unsigned long dwTxAntennaSel;
187 unsigned long dwRxAntennaSel;
188 unsigned char byAntennaCount;
189 unsigned char byRxAntennaMode;
190 unsigned char byTxAntennaMode;
193 unsigned char *pbyTmpBuff;
194 unsigned int uSIFS; /* Current SIFS */
195 unsigned int uDIFS; /* Current DIFS */
196 unsigned int uEIFS; /* Current EIFS */
197 unsigned int uSlot; /* Current SlotTime */
198 unsigned int uCwMin; /* Current CwMin */
199 unsigned int uCwMax; /* CwMax is fixed on 1023. */
201 unsigned char bySIFS;
202 unsigned char byDIFS;
203 unsigned char byEIFS;
204 unsigned char bySlot;
205 unsigned char byCWMaxMin;
207 u8 byBBType; /* 0:11A, 1:11B, 2:11G */
209 * 0:11a,1:11b,2:11gb (only CCK
210 * in BasicRate), 3:11ga (OFDM in
213 unsigned short wBasicRate;
214 unsigned char byACKRate;
215 unsigned char byTopOFDMBasicRate;
216 unsigned char byTopCCKBasicRate;
218 unsigned char byMinChannel;
219 unsigned char byMaxChannel;
221 unsigned char byPreambleType;
222 unsigned char byShortPreamble;
224 unsigned short wCurrentRate;
225 unsigned char byShortRetryLimit;
226 unsigned char byLongRetryLimit;
227 enum nl80211_iftype op_mode;
229 unsigned short wMaxTransmitMSDULifetime;
231 bool bEncryptionEnable;
236 bool bBarkerPreambleMd;
238 bool bRadioControlOff;
241 unsigned short wListenInterval;
244 /* GPIO Radio Control */
245 unsigned char byRadioCtl;
246 unsigned char byGPIO;
248 bool bPrvActive4RadioOFF;
252 unsigned short wSeqCounter;
253 unsigned short wBCNBufLen;
254 bool bBeaconBufReady;
256 bool bIsBeaconBufReadySet;
257 unsigned int cbBeaconBufReadySetCnt;
263 unsigned char byAutoFBCtrl;
265 /* For Update BaseBand VGA Gain Offset */
267 unsigned int uBBVGADiffCount;
268 unsigned char byBBVGANew;
269 unsigned char byBBVGACurrent;
270 unsigned char abyBBVGA[BB_VGA_LEVEL];
271 long ldBmThreshold[BB_VGA_LEVEL];
273 unsigned char byBBPreEDRSSI;
274 unsigned char byBBPreEDIndex;
276 unsigned long dwDiagRefCount;
279 unsigned char byFOETuning;
281 /* For RF Power table */
282 unsigned char byCCKPwr;
283 unsigned char byOFDMPwrG;
284 unsigned char byCurPwr;
286 unsigned char abyCCKPwrTbl[CB_MAX_CHANNEL_24G+1];
287 unsigned char abyOFDMPwrTbl[CB_MAX_CHANNEL+1];
288 char abyCCKDefaultPwr[CB_MAX_CHANNEL_24G+1];
289 char abyOFDMDefaultPwr[CB_MAX_CHANNEL+1];
290 char abyRegPwr[CB_MAX_CHANNEL+1];
291 char abyLocalPwr[CB_MAX_CHANNEL+1];
293 /* BaseBand Loopback Use */
294 unsigned char byBBCR4d;
295 unsigned char byBBCRc9;
296 unsigned char byBBCR88;
297 unsigned char byBBCR09;
299 unsigned char abyEEPROM[EEP_MAX_CONTEXT_SIZE]; /* unsigned long alignment */
301 unsigned short wBeaconInterval;
304 struct work_struct interrupt_work;
306 struct ieee80211_low_level_stats low_stats;
309 static inline struct vnt_rd_info *alloc_rd_info(void)
311 return kzalloc(sizeof(struct vnt_rd_info), GFP_ATOMIC);
314 static inline struct vnt_td_info *alloc_td_info(void)
316 return kzalloc(sizeof(struct vnt_td_info), GFP_ATOMIC);